Functions (logic 12b) – IDEC FS1A Controller User Manual
Page 142

LOGIC
5-94
Functions (Logic 12b)
●Safety inputs: X0 to X13 (T0 to T13)
Safety inputs are used to diagnose the status of connected safety devices, such as emergency stop
switches, and interlock switches.
Intended inputs
(Terminal names)
Function
Function name
Dual channel direct opening input
Symbol
Dual Channel
Direct Opening
Description of operation
This function diagnoses the status of
connected safety devices. This function
diagnoses the time interval of status
transition between each input of
duplicated inputs (0.5s).
Safety input 1
(X0-T0, X1-T1)
Safety input 3
(X4-T4, X5-T5)
Safety input 5
(X10-T10, X11-T11)
Safety input 6
(X12-T12, X13-T13)
Detail information
Logic functions (5-311)
Intended inputs
(Terminal names)
Function
Function name
Dual channel dependent input
Symbol
Dual Channel
D
epende nt
Description of operation
This function diagnoses the status of
connected safety devices. This function
does not diagnose the time interval of
status transition between each input of
duplicated inputs.
Safety input 2
(X2-T2, X3-T3)
Safety input 4
(X6-T6, X7-T7)
Detail information
Logic functions (5-313)